In a coding system, 'FISH' is coded as '2468' and 'BIRD' is coded as '1357'. What is the code for 'HIS'?

Answer: A. 246
The code for 'HIS' can be derived from the code for 'FISH', where 'H' corresponds to '6', 'I' to '4', and 'S' to '2', thus 'HIS' is '246'.